Engine Size: 3000
Refrigerant Type: r134a
Country of Origin: Nicaragua
Hello Ac enthusiasts,
I bought a brand new compressor for my bmw 530d however there is a hole on it that I donÃÂ´t know what this hole is for. Take a look please Here is another angle
What is this hole for?
I would appreciate your help please. Thanks
Pressure switch port I believe.
Thanks trb, What is supposed to connect to that hole if anything?, or can I just use the compressor with the hole open like that?
You typically transfer the switch (or high pressure relief valve) from the old unit to the new unit--do you have the old unit? Replacement compressor manufacturers save money by not supplying parts you should already have...
The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......
Thanks GM Tech, I have the old compressor which has the old relief valve.
Where can I get another relief valve? Just in case I transfer the old relief valve to the new compressor and the old relief valve is faulty.
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